feature1.0.1 : add something = initalize / fix it

@@ -32,6 +32,10 @@ def Kruskal(graph) :
     edge_list = list(graph['edges'])
     edge_list.sort()
 
+    #초기화한다
+    for v in graph['vertices'] :
+        make_singleton_set(v)
+
     F = set()
 
     index = 0
@@ -60,8 +64,6 @@ graph = {
             (5, 'D', 'E'),
             ])
         }
-for i in range(0, 5) :
-    make_singleton_set(i)
 
 mst = Kruskal(graph)
 print(mst)
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